Top contact layout board in an electrical system



FIG. 1 is a top plan view of the top contact layout board for an electrical system showing the claimed design as flat and two-dimensional, illustrating our new design;

FIG. 2 is a side view, all other side views being a mirror image thereof; and,

FIG. 3 s a bottom plan view.

The broken lines showing of a motherboard is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a top contact layout board in an electrical system, as shown and described. 